JPH05502764A - 障壁層を有する高感度高分解能x線作像装置 - Google Patents
障壁層を有する高感度高分解能x線作像装置Info
- Publication number
- JPH05502764A JPH05502764A JP4501500A JP50150092A JPH05502764A JP H05502764 A JPH05502764 A JP H05502764A JP 4501500 A JP4501500 A JP 4501500A JP 50150092 A JP50150092 A JP 50150092A JP H05502764 A JPH05502764 A JP H05502764A
- Authority
- JP
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- Prior art keywords
- imaging device
- scintillator
- photodetector
- array
- barrier layer
- Prior art date
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- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14643—Photodiode arrays; MOS imagers
- H01L27/14658—X-ray, gamma-ray or corpuscular radiation imagers
- H01L27/14663—Indirect radiation imagers, e.g. using luminescent members
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
Claims (30)
- 1.配列に配置されていて、その各々が、そこでルミネッセンスが電気信号に変 換される能動区域を持つ様な複数個の光検出器と、各々の光検出器の能動領域の 上に配置された障壁層と、各々の当該アイランドが前記障壁層の上に配置されて いて、夫々の光検出器の少なくとも1つの能動区域と実質的に整合すると共に第 1の端面及び第2の端面を持ち、該第1の端面が前記障壁層と接する複数個のシ ンチレータ支持アイランドと、複数個の個別のシンチレータ要素で構成されたシ ンチレータ配列とを有し、各々の個別のシンチレータ要素は柱状の形を持ってい て夫々の支持アイランドの上に配置されている放射作像装置。
- 2.前記シンチレータ支持アイランドの第2の端面の上に配置された保護覆いを 有する請求項1記載の放射作像装置。
- 3.前記支持アイランドが有機被膜で構成されていて、前記障壁層及び前記保護 覆いの夫々が無機誘電体で構成されている請求項2記載の放射作像装置。
- 4.前記障壁層が有機溶媒に対して実質的に不浸透性である請求項1記載の放射 作像装置。
- 5.前記障壁層が酸化シリコンで構成される請求項3記載の放射作像装置。
- 6.前記シンチレータ支持アイランドが、前記障壁層が実質的にその作用を受け ない様な過程によってエッチング可能である材料で構成されている請求項1記載 の放射作像装置。
- 7.前記障壁層が実質的に光学的に透明である請求項1記載の放射作像装置。
- 8.前記障壁層が、約250℃より低い温度で前記光検出器の配列上に沈積する ことができる材料で構成されている請求項1記載の放射作像装置。
- 9.前記障壁層が約250℃の温度まで構造的な安定性を保有する材料で構成さ れている請求項1記載の放射作像装置。
- 10.各々のシンチレータ要素の高さがその底の幅の少なくとも2倍である請求 項1記載の放射作像装置。
- 11.前記シンチレータ支持アイランドが何れも重合体で構成されている請求項 3記載の放射作像装置。
- 12.前記重合体がポリイミドである請求項11記載の放射作像装置。
- 13.シンチレータ配列が沃化セシウムで構成されている請求項1記載の放射作 像装置。
- 14.前記障壁層の厚さが約100乃至1500nmである請求項1記載の放射 作像装置。
- 15.前記第1の端面及び第2の端面の間の前記支持アイランドの厚さが約10 乃至40ミクロンである請求項1記載の放射作像装置。
- 16.前記光検出器の配列が光検出器誘電体層を有し、該誘電体属は前記支持ア イランドと同じ材料で構成されている請求項3記載の放射作像装置。
- 17.各々の支持アイランドが1つの能動区域だけと整合している請求項1記載 の放射作像装置。
- 18.放射作像装置を作る方法に於て、複数個の光検出器で構成された光検出器 配列を用意し、各々の光検出器は能動領域を持ち、前記光検出器配列は相隔たる 隆起した支持アイランドを含む或る地形パターンにした面の特徴を有し、該支持 アイランドの中心のパターンは前記光検出器の中心のパターンと略同じであり、 前記支持アイランドの中心が夫々の光検出器の能動区域の中心と略整合しており 、前記支持アイランドの上に或る構造のシンチレータ材料を形成し、該構造のシ ンチレータ材料が、前記支持アイランドの上に配置されていて、それと実質的に 整合している別々のシンチレータ要素を形成する工程を含む方法。
- 19.地形パターンの面の特徴を持つ光検出器配列を用意する工程が、光検出器 の上に障壁層を沈積し、該障壁層の上に有機被膜を沈積し、少なくとも前記有機 被膜をパターンぎめして相隔たる支持アイランドを形成することを含む請求項1 8記載の方法。
- 20.地形パターンの面の特徴を有する光検出器配列を用意する工程が、更に、 前記有機被膜の上に保護覆いを沈積し、前記有機被膜に対応して前記保護覆いを パターンぎめする工程を含む請求項19記載の方法。
- 21.形成する工程が、蒸着、スパッタリング又は化学反応気相成長によって前 記シンチレータ要素を前記支持アイランドの上に成長させることを含む請求項1 8記載の方法。
- 22.シンチレータ材料に希望する組成を持つシンチレータ源材料の本体の蒸発 によって沈積蒸気が作られる請求項21記載の方法。
- 23.障壁層を沈積する工程が、シリコンの源として、テトラエトキシシリケー トを用いた二酸化シリコンのプラズマ強化化学反応気相成長による請求項18記 載の方法。
- 24.前記障壁層を沈積する工程、前記有機被膜を沈積する工程、前記保護覆い を沈積する工程及び前記構造のシンチレータ材料を形成する工程全体に亘り、光 検出器配列が250℃未満の温度に保たれる請求項18記載の方法。
- 25.或る地形パターンの面の特徴を持つと共に複数個の光検出器で構成されて いて、前記面の特徴は、光検出器の上に位置ぎめされた相隔たる支持アイランド 、及び支持アイランドを光検出器から化学的に分離する障壁手段で構成されてい る様な光検出器配列と、夫々柱状の形を有する個別のシンチレータ要素で構成さ れたシンチレータ配列とを有し、前記光検出器配列及びシンチレータ配列は、シ ンチレータ要素を夫々の支持アイランドと整合させて互いに固定した関係に配置 されている放射作像装置。
- 26.前記障壁手段が無機誘電体材料の層で構成される請求項25記載の放射作 像装置。
- 27.地形パターンの面の特徴が有機被膜で構成されている請求項26記載の放 射作像装置。
- 28.無機誘電体層が有機溶媒に対して実質的に不浸透性である請求項26記載 の放射作像装置。
- 29.前記面の特徴が、約250℃までの温度で構造的な完全さを保つ材料で構 成されている請求項27記載の放射作像装置。
- 30.支持アイランドがポリイミド材料で構成されている請求項29記載の放射 作像装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59084890A | 1990-10-01 | 1990-10-01 | |
US590,848 | 1990-10-01 | ||
US07/762,708 US5187369A (en) | 1990-10-01 | 1991-09-19 | High sensitivity, high resolution, solid state x-ray imaging device with barrier layer |
US762,708 | 1991-09-19 | ||
PCT/US1991/007146 WO1992006501A2 (en) | 1990-10-01 | 1991-09-27 | High senstivity, high resolution, solid state x-ray imaging device with barrier layer and a method of producing the imaging device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05502764A true JPH05502764A (ja) | 1993-05-13 |
JP3118254B2 JP3118254B2 (ja) | 2000-12-18 |
Family
ID=27080973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP04501500A Expired - Lifetime JP3118254B2 (ja) | 1990-10-01 | 1991-09-27 | 障壁層を有する高感度高分解能x線作像装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5187369A (ja) |
EP (1) | EP0503062B1 (ja) |
JP (1) | JP3118254B2 (ja) |
DE (1) | DE69123563T2 (ja) |
WO (1) | WO1992006501A2 (ja) |
Cited By (1)
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US7852392B2 (en) | 1998-10-28 | 2010-12-14 | Canon Kabushiki Kaisha | Image pick-up apparatus and image pick-up system, and method for manufacturing image pick-up apparatus |
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JPH041948A (ja) * | 1990-04-18 | 1992-01-07 | Canon Inc | 情報記録装置及び情報再生装置及び情報記録再生装置 |
US5254480A (en) * | 1992-02-20 | 1993-10-19 | Minnesota Mining And Manufacturing Company | Process for producing a large area solid state radiation detector |
US5463225A (en) * | 1992-06-01 | 1995-10-31 | General Electric Company | Solid state radiation imager with high integrity barrier layer and method of fabricating |
US5434418A (en) * | 1992-10-16 | 1995-07-18 | Schick; David | Intra-oral sensor for computer aided radiography |
US5331165A (en) * | 1992-12-01 | 1994-07-19 | Ball Corporation | Split event reduced x-ray imager |
US5651047A (en) | 1993-01-25 | 1997-07-22 | Cardiac Mariners, Incorporated | Maneuverable and locateable catheters |
US5682412A (en) * | 1993-04-05 | 1997-10-28 | Cardiac Mariners, Incorporated | X-ray source |
US5550378A (en) * | 1993-04-05 | 1996-08-27 | Cardiac Mariners, Incorporated | X-ray detector |
US5410791A (en) * | 1993-07-01 | 1995-05-02 | General Electric Company | Fabrication chuck |
JPH0772255A (ja) * | 1993-09-01 | 1995-03-17 | Fuji Photo Film Co Ltd | 放射線検出器および画像信号処理方法 |
US5401668A (en) * | 1993-09-02 | 1995-03-28 | General Electric Company | Method for fabrication solid state radiation imager having improved scintillator adhesion |
US5399884A (en) * | 1993-11-10 | 1995-03-21 | General Electric Company | Radiation imager with single passivation dielectric for transistor and diode |
JP3066944B2 (ja) * | 1993-12-27 | 2000-07-17 | キヤノン株式会社 | 光電変換装置、その駆動方法及びそれを有するシステム |
US5587591A (en) * | 1993-12-29 | 1996-12-24 | General Electric Company | Solid state fluoroscopic radiation imager with thin film transistor addressable array |
US5641984A (en) * | 1994-08-19 | 1997-06-24 | General Electric Company | Hermetically sealed radiation imager |
FR2726691B1 (fr) * | 1994-11-08 | 1997-01-24 | Thomson Csf | Photodetecteur de grande dimension et procede de realisation d'un tel photodetecteur |
US5592523A (en) * | 1994-12-06 | 1997-01-07 | Picker International, Inc. | Two dimensional detector array for CT scanners |
JPH08313640A (ja) * | 1995-05-17 | 1996-11-29 | Hitachi Ltd | 二次元放射線画像検出器 |
US6133614A (en) * | 1995-08-28 | 2000-10-17 | Canon Kabushiki Kaisha | Apparatus for detecting radiation and method for manufacturing such apparatus |
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Also Published As
Publication number | Publication date |
---|---|
JP3118254B2 (ja) | 2000-12-18 |
EP0503062A1 (en) | 1992-09-16 |
DE69123563D1 (de) | 1997-01-23 |
WO1992006501A3 (en) | 1992-06-11 |
EP0503062B1 (en) | 1996-12-11 |
DE69123563T2 (de) | 1997-07-03 |
US5187369A (en) | 1993-02-16 |
WO1992006501A2 (en) | 1992-04-16 |
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